Perhaps you should try some spelling variations:
information content » information contents, information centers, information centre
oral communication » personal communication
technologien der » technologien des, technologie der, technologien fur
der information » insider information, sector information, labor information
developing city » developing cities, developing data, developing high
1.3 developing » 3.3 developing, 13 developing, 7.3 developing
city africa » china africa, cults africa
content 2 » content _, content 1, content 3
costs 1.3 » costs 12.3, costs 14.3, costs 15.3
2 oral » _ oral, 4 oral

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologien der information content 2 oral communication costs 1.3 developing city africa.*.